[clang] [clang] Fix a crash from nested ArrayInitLoopExpr (PR #67722)

[Richard Smith via cfe-commits]

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@@ -10950,6 +10950,9 @@ bool ArrayExprEvaluator::VisitCXXParenListOrInitListExpr(
 }
 
 bool ArrayExprEvaluator::VisitArrayInitLoopExpr(const ArrayInitLoopExpr *E) {
+
+  FullExpressionRAII Scope(Info);
+
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zygoloid wrote:

Better testcase, avoiding the use of mutable global state: https://godbolt.org/z/47dhjxT8e

https://github.com/llvm/llvm-project/pull/67722